US sues controversial Arizona sheriff for discrimination‎

"The civil suit cited systematic profiling, sloppy and indifferent police work, and a disregard for minority rights by Arpaio, the Republican sheriff of Maricopa County, and county officials.

The suit also said Arpaio's office routinely violates the First Amendment rights to free speech of political opponents by retaliating against them with unsubstantiated complaints and lawsuits, even having them unlawfully arrested."